GOING ONCE: If you don’t have wagons full of spare change to bid on big-ticket items like an original photograph of Madonna by Herb Ritts or a private party at The Box, you’ll have to console yourself with sights like acrobats twirling overhead and burlesque beauties splashing about in a giant glass bathtub filled with gin. That – and much more – goes down at the 3rd Annual Naughty Auction at the Angel Orensanz Foundation, and every dollar goes to the National AIDS Fund and We Dream the Cure organizations. 7PM.